PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12229Housing,liquid Pump

Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc · NSN 4320-01-422-3252 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-422-3252 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-422-3252. Primary manufacturer part number: 12229.
Features
  • Housing,liquid Pump — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Housing,liquid Pump, cataloged under National Stock Number 4320-01-422-3252, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHousing,liquid Pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersHowden Fluid Systems (CAGE 33654); Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (CAGE 62228); Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163)
Technical Specifications
ParameterValue
NSN4320-01-422-3252
Primary Part Number12229
Item NameHousing,liquid Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMeggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6610-00-053-950312229 INTERCHANGEABLE
Link and Jewel Unit
Aerosonic Llc
3020-00-076-438812229 INTERCHANGEABLE
Gear Assembly
Elbitamerica, Inc.
5315-00-129-1931125393 INTERCHANGEABLE
Pin,straight,headless
Telemechanics Inc
5133-00-189-9274 INTERCHANGEABLE
Drill,twist
5133-00-228-1339200 13/16 INTERCHANGEABLE
Drill,twist
Michigan Drill Corp
1680-00-771-255212229 INTERCHANGEABLE
Baffle Assembly
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5998-01-084-791012229 INTERCHANGEABLE
Circuit Card Assembly
Instrumentation Services Inc. Dba Isi - Instrumentation Services Inc
9310-01-606-206612-229 INTERCHANGEABLE
Paper,cover
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
12229 Howden Fluid Systems (USA)
12229 PRIMARY Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
12229 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
Related Parts
6610-00-053-9503INTERCHANGEABLE
LINK AND JEWEL UNIT
12229
3020-00-076-4388INTERCHANGEABLE
GEAR ASSEMBLY
12229
5315-00-129-1931INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
125393
5133-00-189-9274INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1339INTERCHANGEABLE
DRILL,TWIST
200 13/16
1680-00-771-2552INTERCHANGEABLE
BAFFLE ASSEMBLY
12229
5998-01-084-7910INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12229
9310-01-606-2066INTERCHANGEABLE
PAPER,COVER
12-229

Frequently Asked Questions

What is NSN 4320-01-422-3252?

NSN 4320-01-422-3252 is a Housing,liquid Pump, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-422-3252?

NSN 4320-01-422-3252 has 3 cross-referenced part numbers: 12229 (Howden Fluid Systems), 12229 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), 12229 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).

What NSN replaces 4320-01-422-3252?

There are 8 known substitutes for 4320-01-422-3252: 6610-00-053-9503, 3020-00-076-4388, 5315-00-129-1931 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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